Gamma Question Bank for Medical Chemistry>Chapter 16 - Solutions>Assignment>Q 18

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Freezing point of solution is marked as

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Gamma Question Bank for Medical Chemistry>Chapter 16 - Solutions>Assignment>Q 19

Van't Hoff factor for acetic acid in aqueous medium at infinite dilution is

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Gamma Question Bank for Medical Chemistry>Chapter 16 - Solutions>Assignment>Q 20

Correct oder of freezing point of given solution

I. $0.1 M$ glucose

II. $0.2 M$ urea

III. $0.1 M NaCI$

IV. $0.05 M {CaCI}_{2}$

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Gamma Question Bank for Medical Chemistry>Chapter 16 - Solutions>Assignment>Q 21

Boiling point of

0.01 {MAB}_{2}

which is

10 %

dissociated in aqueous medium

(K_{b} (H_{2} O) = 0.52)

as

A^{+ 2}

and

B^{-}

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Gamma Question Bank for Medical Chemistry>Chapter 16 - Solutions>Assignment>Q 22

At higher altitudes, the boiling point of water lowers because:

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Gamma Question Bank for Medical Chemistry>Chapter 16 - Solutions>Assignment>Q 23

If any solute

' A'

dimerises in water at

1 atm

pressure and the boiling point of this solution is

100.52 ° C

. If

2

moles of

A

is added to

1 kg

of water and

k_{b}

for water is

0.52 ° C / molal

, calculate the percentage association of

A

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Gamma Question Bank for Medical Chemistry>Chapter 16 - Solutions>Assignment>Q 24

Substance

A

tetramerises in water to the extent of

80 %

. A solution of

2.5 g

of

A

in

100 g

of water lowers the freezing point by

0.3 ° C

. The molar mass of

A

is

(K_{f}

for water

= 1.86 K kg {mol}^{- 1})

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Gamma Question Bank for Medical Chemistry>Chapter 16 - Solutions>Assignment>Q 25

K_{4} [Fe (CN)_{6}]

is supposed to be

40 %

dissociated when

1 M

solution prepared. Its boiling point is equal to another

20 %

mass by volume of non-electrolytic solution A. Considering molality = molarity. The molecular weight of

A

is